Base | Representation |
---|---|
bin | 1010101100000100… |
… | …1011100011111111 |
3 | 21101221221010220102 |
4 | 2223001023203333 |
5 | 21334004312224 |
6 | 1152413111315 |
7 | 131046624521 |
oct | 25301134377 |
9 | 7357833812 |
10 | 2869213439 |
11 | 1242661584 |
12 | 680a8853b |
13 | 369581a41 |
14 | 1d30bda11 |
15 | 11bd5c4ae |
hex | ab04b8ff |
2869213439 has 2 divisors, whose sum is σ = 2869213440. Its totient is φ = 2869213438.
The previous prime is 2869213421. The next prime is 2869213481. The reversal of 2869213439 is 9343129682.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2869213439 - 220 = 2868164863 is a prime.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 2869213393 and 2869213402.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2869213639) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1434606719 + 1434606720.
It is an arithmetic number, because the mean of its divisors is an integer number (1434606720).
Almost surely, 22869213439 is an apocalyptic number.
2869213439 is a deficient number, since it is larger than the sum of its proper divisors (1).
2869213439 is an equidigital number, since it uses as much as digits as its factorization.
2869213439 is an evil number, because the sum of its binary digits is even.
The product of its digits is 559872, while the sum is 47.
The square root of 2869213439 is about 53565.0393353725. The cubic root of 2869213439 is about 1420.9788660023.
The spelling of 2869213439 in words is "two billion, eight hundred sixty-nine million, two hundred thirteen thousand, four hundred thirty-nine".
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